Tcp Sack-Enable - Cisco MDS 9124 - Fabric Switch Reference
Cisco mds 9000 family command reference - cisco mds san-os release 3.0(1) through 3.3(1a) (ol-16217-01, april 2008)
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- Datasheet (9 pages) ,
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tcp sack-enable
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
tcp sack-enable
To enable selective acknowledgment (SACK) to overcome the limitations of multiple lost packets during
a TCP transmission, use the tcp sack-enable command. Use the no form of this command to disable this
feature or revert to its factory defaults.
Syntax Description
This command has no arguments or keywords.
Defaults
Enabled
Command Modes
FCIP profile configuration submode.
Command History
Release
1.1(1)
Usage Guidelines
The receiving TCP sends back SACK advertisements to the sender. The sender can then retransmit only
the missing data segments.
Examples
The following example configures a FCIP profile:
switch# config terminal
switch(config)# fcip profile 5
switch(config-profile)#
The following example enables the SACK mechanism on the switch:
switch(config-profile)# tcp sack-enable
Related Commands
Command
fcip profile
show fcip profile
Cisco MDS 9000 Family Command Reference
23-40
tcp sack-enable
no tcp sack-enable
Modification
This command was introduced.
Description
Configures FCIP profile parameters.
Displays FCIP profile information.
Chapter 23
OL-16217-01, Cisco MDS SAN-OS Release 3.x
T Commands
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